Home / 3,830.63-5,287.61-2,258.63

Finding the Fourth Proportional to 3,830.63, 5,287.61 and 2,258.63

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Solution

The fourth proportional to 3,830.63, 5,287.61 and 2,258.63 is: 3,117.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.63 : 5,287.61 = 2,258.63 : x
  2. Step 2: Convert to fraction form
    3,830.63/5,287.61 = 2,258.63/x
  3. Step 3: Cross multiply
    3,830.63x = 5,287.61 × 2,258.63
  4. Step 4: Simplify right side
    3,830.63x = 11,942,733.78
  5. Step 5: Solve for x
    x = 11,942,733.78/3,830.63
  6. Step 6: Final answer
    x = 3,117.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.